Manual
83
Product Service 1-800-522-7658
A
A
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P
P
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E
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Model Number 6970400
6970401
6970500
6970501
6970600
6970601
6971400
6971401
6971500
6971501
6971600
6971601
Model Description 4'
Standard
5'
Standard
6'
Standard
4' w/ Sash
Stop Energy
Saving
5' A-Style
Energy
Saving
6' A-Style
Energy
Saving
Sash Type Vertical-
Rising
Pivoting
Vertical-
Rising
Pivoting
Vertical-
Rising
Pivoting
Vertical-
Rising
w/Sash Stop
A-Style
Combination
A-Style
Combination
Operating Sash Height (in) 18.00 18.00 18.00 15.00 30.00 30.00
Operating Sash Width (in) 45.00 57.00 69.00 45.00 26.00 32.00
Total Open Area (Sq. Ft.) Includes
bypass air under airfoil
5.70 7.30 8.90 4.70 5.50 6.80
Average Face Velocity (FPM) 100±10 100±10 100±10 100±10 100±10 100±10
Total Air Volume Displacement (CFM) 570 730 890 470 550 680
Hood Static Pressure Loss (in H
2
0) 0.24 0.39 0.51 0.16 0.22 0.30
Average Face Velocity (FPM) 80±10 80±10 80±10 80±10 80±10 80±10
Total Air Volume Displacement (CFM) 460 590 710 380 440 550
Hood Static Pressure Loss (in H
2
0) 0.16 0.26 0.33 0.11 0.14 0.20
Average Face Velocity (FPM) 60±10 60±10 60±10 60±10 60±10 60±10
Total Air Volume Displacement (CFM) 340 440 540 280 330 410
Hood Static Pressure Loss (in H
2
0) 0.09 0.14 0.19 0.06 0.08 0.11
The following calculation is used:
Total Air Volume Displacement (CFM)=Total Open
Area (Sq. Ft.) *Average Face Velocity (FPM).